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Finding the Fourth Proportional to 268,801.56, 370,822.05 and 161,184.96

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Solution

The fourth proportional to 268,801.56, 370,822.05 and 161,184.96 is: 222,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,801.56 : 370,822.05 = 161,184.96 : x
  2. Step 2: Convert to fraction form
    268,801.56/370,822.05 = 161,184.96/x
  3. Step 3: Cross multiply
    268,801.56x = 370,822.05 × 161,184.96
  4. Step 4: Simplify right side
    268,801.56x = 59,770,937,296.37
  5. Step 5: Solve for x
    x = 59,770,937,296.37/268,801.56
  6. Step 6: Final answer
    x = 222,360.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.